/*
 * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * This file is part of the lwIP TCP/IP stack.
 *
 * Author: Adam Dunkels <adam@sics.se>
 *
 */
#ifndef __LWIP_ARCH_H__
#define __LWIP_ARCH_H__

#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN 1234
#endif

#ifndef BIG_ENDIAN
#define BIG_ENDIAN 4321
#endif

#include "arch/cc.h"

#ifndef PACK_STRUCT_BEGIN
#define PACK_STRUCT_BEGIN
#endif /* PACK_STRUCT_BEGIN */

#ifndef PACK_STRUCT_END
#define PACK_STRUCT_END
#endif /* PACK_STRUCT_END */

#ifndef PACK_STRUCT_FIELD
#define PACK_STRUCT_FIELD(x) x
#endif /* PACK_STRUCT_FIELD */



#ifdef LWIP_PROVIDE_ERRNO

#define EPERM        1      /* Operation not permitted */
#define ENOENT       2      /* No such file or directory */
#define ESRCH        3      /* No such process */
#define EINTR        4      /* Interrupted system call */
#define EIO          5      /* I/O error */
#define ENXIO        6      /* No such device or address */
#define E2BIG        7      /* Arg list too long */
#define ENOEXEC      8      /* Exec format error */
#define EBADF        9      /* Bad file number */
#define ECHILD       10     /* No child processes */
#define EAGAIN       11     /* Try again */
#define ENOMEM       12     /* Out of memory */
#define EACCES       13     /* Permission denied */
#define EFAULT       14     /* Bad address */
#define ENOTBLK      15     /* Block device required */
#define EBUSY        16     /* Device or resource busy */
#define EEXIST       17     /* File exists */
#define EXDEV        18     /* Cross-device link */
#define ENODEV       19     /* No such device */
#define ENOTDIR      20     /* Not a directory */
#define EISDIR       21     /* Is a directory */
#define EINVAL       22     /* Invalid argument */
#define ENFILE       23     /* File table overflow */
#define EMFILE       24     /* Too many open files */
#define ENOTTY       25     /* Not a typewriter */
#define ETXTBSY      26     /* Text file busy */
#define EFBIG        27     /* File too large */
#define ENOSPC       28     /* No space left on device */
#define ESPIPE       29     /* Illegal seek */
#define EROFS        30     /* Read-only file system */
#define EMLINK       31     /* Too many links */
#define EPIPE        32     /* Broken pipe */
#define EDOM         33     /* Math argument out of domain of func */
#define ERANGE       34     /* Math result not representable */
#define EDEADLK      35     /* Resource deadlock would occur */
#define ENAMETOOLONG 36     /* File name too long */
#define ENOLCK       37     /* No record locks available */
#define ENOSYS       38     /* Function not implemented */
#define ENOTEMPTY    39     /* Directory not empty */
#define ELOOP        40     /* Too many symbolic links encountered */
#define EWOULDBLOCK  EAGAIN /* Operation would block */
#define ENOMSG       42     /* No message of desired type */
#define EIDRM        43     /* Identifier removed */
#define ECHRNG       44     /* Channel number out of range */
#define EL2NSYNC     45     /* Level 2 not synchronized */
#define EL3HLT       46     /* Level 3 halted */
#define EL3RST       47     /* Level 3 reset */
#define ELNRNG       48     /* Link number out of range */
#define EUNATCH      49     /* Protocol driver not attached */
#define ENOCSI       50     /* No CSI structure available */
#define EL2HLT       51     /* Level 2 halted */
#define EBADE        52     /* Invalid exchange */
#define EBADR        53     /* Invalid request descriptor */
#define EXFULL       54     /* Exchange full */
#define ENOANO       55     /* No anode */
#define EBADRQC      56     /* Invalid request code */
#define EBADSLT      57     /* Invalid slot */

#define EDEADLOCK EDEADLK

#define EBFONT          59  /* Bad font file format */
#define ENOSTR          60  /* Device not a stream */
#define ENODATA         61  /* No data available */
#define ETIME           62  /* Timer expired */
#define ENOSR           63  /* Out of streams resources */
#define ENONET          64  /* Machine is not on the network */
#define ENOPKG          65  /* Package not installed */
#define EREMOTE         66  /* Object is remote */
#define ENOLINK         67  /* Link has been severed */
#define EADV            68  /* Advertise error */
#define ESRMNT          69  /* Srmount error */
#define ECOMM           70  /* Communication error on send */
#define EPROTO          71  /* Protocol error */
#define EMULTIHOP       72  /* Multihop attempted */
#define EDOTDOT         73  /* RFS specific error */
#define EBADMSG         74  /* Not a data message */
#define EOVERFLOW       75  /* Value too large for defined data type */
#define ENOTUNIQ        76  /* Name not unique on network */
#define EBADFD          77  /* File descriptor in bad state */
#define EREMCHG         78  /* Remote address changed */
#define ELIBACC         79  /* Can not access a needed shared library */
#define ELIBBAD         80  /* Accessing a corrupted shared library */
#define ELIBSCN         81  /* .lib section in a.out corrupted */
#define ELIBMAX         82  /* Attempting to link in too many shared libraries */
#define ELIBEXEC        83  /* Cannot exec a shared library directly */
#define EILSEQ          84  /* Illegal byte sequence */
#define ERESTART        85  /* Interrupted system call should be restarted */
#define ESTRPIPE        86  /* Streams pipe error */
#define EUSERS          87  /* Too many users */
#define ENOTSOCK        88  /* Socket operation on non-socket */
#define EDESTADDRREQ    89  /* Destination address required */
#define EMSGSIZE        90  /* Message too long */
#define EPROTOTYPE      91  /* Protocol wrong type for socket */
#define ENOPROTOOPT     92  /* Protocol not available */
#define EPROTONOSUPPORT 93  /* Protocol not supported */
#define ESOCKTNOSUPPORT 94  /* Socket type not supported */
#define EOPNOTSUPP      95  /* Operation not supported on transport endpoint */
#define EPFNOSUPPORT    96  /* Protocol family not supported */
#define EAFNOSUPPORT    97  /* Address family not supported by protocol */
#define EADDRINUSE      98  /* Address already in use */
#define EADDRNOTAVAIL   99  /* Cannot assign requested address */
#define ENETDOWN        100 /* Network is down */
#define ENETUNREACH     101 /* Network is unreachable */
#define ENETRESET       102 /* Network dropped connection because of reset */
#define ECONNABORTED    103 /* Software caused connection abort */
#define ECONNRESET      104 /* Connection reset by peer */
#define ENOBUFS         105 /* No buffer space available */
#define EISCONN         106 /* Transport endpoint is already connected */
#define ENOTCONN        107 /* Transport endpoint is not connected */
#define ESHUTDOWN       108 /* Cannot send after transport endpoint shutdown */
#define ETOOMANYREFS    109 /* Too many references: cannot splice */
#define ETIMEDOUT       110 /* Connection timed out */
#define ECONNREFUSED    111 /* Connection refused */
#define EHOSTDOWN       112 /* Host is down */
#define EHOSTUNREACH    113 /* No route to host */
#define EALREADY        114 /* Operation already in progress */
#define EINPROGRESS     115 /* Operation now in progress */
#define ESTALE          116 /* Stale NFS file handle */
#define EUCLEAN         117 /* Structure needs cleaning */
#define ENOTNAM         118 /* Not a XENIX named type file */
#define ENAVAIL         119 /* No XENIX semaphores available */
#define EISNAM          120 /* Is a named type file */
#define EREMOTEIO       121 /* Remote I/O error */
#define EDQUOT          122 /* Quota exceeded */

#define ENOMEDIUM   123 /* No medium found */
#define EMEDIUMTYPE 124 /* Wrong medium type */


#define ENSROK                 0   /* DNS server returned answer with no data */
#define ENSRNODATA             160 /* DNS server returned answer with no data */
#define ENSRFORMERR            161 /* DNS server claims query was misformatted */
#define ENSRSERVFAIL           162 /* DNS server returned general failure */
#define ENSRNOTFOUND           163 /* Domain name not found */
#define ENSRNOTIMP             164 /* DNS server does not implement requested operation */
#define ENSRREFUSED            165 /* DNS server refused query */
#define ENSRBADQUERY           166 /* Misformatted DNS query */
#define ENSRBADNAME            167 /* Misformatted domain name */
#define ENSRBADFAMILY          168 /* Unsupported address family */
#define ENSRBADRESP            169 /* Misformatted DNS reply */
#define ENSRCONNREFUSED        170 /* Could not contact DNS servers */
#define ENSRTIMEOUT            171 /* Timeout while contacting DNS servers */
#define ENSROF                 172 /* End of file */
#define ENSRFILE               173 /* Error reading file */
#define ENSRNOMEM              174 /* Out of memory */
#define ENSRDESTRUCTION        175 /* Application terminated lookup */
#define ENSRQUERYDOMAINTOOLONG 176 /* Domain name is too long */
#define ENSRCNAMELOOP          177 /* Domain name is too long */

#ifndef errno
extern int errno;
#endif

#endif /* LWIP_PROVIDE_ERRNO */

#endif /* __LWIP_ARCH_H__ */
